613896953 has 2 divisors, whose sum is σ = 613896954. Its totient is φ = 613896952.

The previous prime is 613896929. The next prime is 613896961. The reversal of 613896953 is 359698316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 364351744 + 249545209 = 19088^2 + 15797^2 .

It is a cyclic number.

It is not a de Polignac number, because 613896953 - 2¹⁶ = 613831417 is a prime.

It is not a weakly prime, because it can be changed into another prime (613896653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306948476 + 306948477.

It is an arithmetic number, because the mean of its divisors is an integer number (306948477).

Almost surely, 2^613896953 is an apocalyptic number.

It is an amenable number.

613896953 is a deficient number, since it is larger than the sum of its proper divisors (1).

613896953 is an equidigital number, since it uses as much as digits as its factorization.

613896953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 50.

The square root of 613896953 is about 24776.9439802410. The cubic root of 613896953 is about 849.8947749789.

The spelling of 613896953 in words is "six hundred thirteen million, eight hundred ninety-six thousand, nine hundred fifty-three".